Question juridique clé
Whether the complainant was entitled to raise a federal criminal complaint despite lacking standing on the merits
Solution extraite
He could invoke only alleged violations of procedural rights amounting to a formal denial of justice, not the criminal charge itself.
Motifs extraits
A victim or injured party is generally not entitled to challenge the prosecution decision on the merits, but may complain of procedural-rights violations protected by cantonal law, the Federal Constitution, or the ECHR.